Home / 106,433.04-146,756.16-79,530.24

Finding the Fourth Proportional to 106,433.04, 146,756.16 and 79,530.24

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Solution

The fourth proportional to 106,433.04, 146,756.16 and 79,530.24 is: 109,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.04 : 146,756.16 = 79,530.24 : x
  2. Step 2: Convert to fraction form
    106,433.04/146,756.16 = 79,530.24/x
  3. Step 3: Cross multiply
    106,433.04x = 146,756.16 × 79,530.24
  4. Step 4: Simplify right side
    106,433.04x = 11,671,552,626.28
  5. Step 5: Solve for x
    x = 11,671,552,626.28/106,433.04
  6. Step 6: Final answer
    x = 109,660.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.